Sciweavers

1405 search results - page 92 / 281
» Perceptual Image Distortion
Sort
View
ICASSP
2009
IEEE
15 years 3 months ago
Joint estimation of short-term and long-term predictors in speech coders
In low bit-rate coders, the near-sample and far-sample redundancies of the speech signal are usually removed by a cascade of a shortterm and a long-term linear predictor. These tw...
Daniele Giacobello, Mads Græsbøll Chr...
DCC
2011
IEEE
14 years 6 months ago
Scalar Quantization for Relative Error
Quantizers for probabilistic sources are usually optimized for mean-squared error. In many applications, maintaining low relative error is a more suitable objective. This measure ...
John Z. Sun, Vivek K. Goyal
TCSV
2010
14 years 6 months ago
Distributed Media-Aware Rate Allocation for Wireless Video Streaming
This paper addresses the rate allocation problem for wireless video streaming. Results from a simple subjective viewing test indicate that perceptually preferred allocation can be...
Xiaoqing Zhu, Bernd Girod
ICPR
2004
IEEE
16 years 1 months ago
Estimation of 3D Shape of Warped Document Surface for Image Restoration
While scanning pages from a thick, bound book, there are two sources of distortion in the document images: 1) shade along the book `spine', and 2) warping of the book surface...
Chew Lim Tan, Liying Fan, Zheng Zhang 0003
DRR
2009
14 years 9 months ago
Layout-free dewarping of planar document images
For user convenience, processing of document images captured by a digital camera has been attracted much attention. However, most existing processing methods require an upright im...
Masakazu Iwamura, Ryo Niwa, Akira Horimatsu, Koich...